{"product_id":"generac-scheduled-maintenance-kit-for-20kw-air-cooled-home-standby-generators-pre-2013-units","title":"Generac Scheduled Maintenance Kit for 20kW Air-Cooled Home Standby Generators | Pre-2013 Units","description":"\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 32px; margin: 0 0 40px;\"\u003e\n\u003cdiv style=\"flex: 2 1 320px; min-width: 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/round-air-filter-on-a-chamois-beside-the-oil-filter-two-spark-plugs-and-funnel-from-the-5665-20kw-kit.jpg?v=1793847531\" alt=\"Round air filter on a chamois beside the oil filter, two spark plugs and funnel from the 5665 20kW kit\" width=\"1500\" height=\"1500\" style=\"display: block; width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 3 1 320px; min-width: 0; text-wrap: pretty;\"\u003e\n\u003ch2 style=\"margin-top: 0;\"\u003eThis Generac Scheduled Maintenance Kit for 20kW Air-Cooled Home Standby Generators Gives an Older Unit a Complete Service\u003c\/h2\u003e\n\u003cp\u003eThe Generac 5665 is a scheduled maintenance kit for the 20 kW air-cooled home standby unit with a 999cc engine. It includes an air filter, oil filter, two spark plugs, a spark plug wrench, an oil funnel, a chamois, and a reminder sticker.\u003c\/p\u003e\n\u003cp\u003eIt is for older 20 kW units made before 2013. For 2013 and newer 20 and 22 kW units, Generac lists the 6485. Your generator's data label shows the model and size, so check it before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\u003ch3\u003eGenerac Scheduled Maintenance Kit for 20kW Air-Cooled Home Standby Generators Features\u003c\/h3\u003e\n\u003ch4\u003eOne Kit Covers the Scheduled Service\u003c\/h4\u003e\u003cp\u003eThe Generac 5665 kit has an air filter, an oil filter, and two spark plugs in one box. Generac builds it for the 20 kW air-cooled home standby unit with a 999cc engine, so you are not matching parts one at a time.\u003c\/p\u003e\n\u003ch4\u003eTwo Spark Plugs for the 999cc Engine\u003c\/h4\u003e\u003cp\u003eThe kit includes two spark plugs for the 20 kW unit. Replace both plugs during the same visit as the air and oil filters.\u003c\/p\u003e\n\u003ch4\u003eFunnel, Chamois, and Reminder Sticker\u003c\/h4\u003e\u003cp\u003eThe kit also includes a spark plug wrench, an oil funnel, a chamois, and a reminder sticker. The funnel keeps the oil fill clean, the chamois wipes up drips, and the sticker helps you keep track of when the next service is due.\u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003eReal-World Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhole-Home Backup Upkeep.\u003c\/strong\u003e An older 20 kW unit needs its filters and plugs changed on schedule so it is ready when the power fails.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService Due on Your 20kW Unit.\u003c\/strong\u003e If your 20 kW generator has reached 200 hours or 2 years, this kit gives you the air filter, oil filter, and two plugs in one step.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Season Check.\u003c\/strong\u003e Service the unit ahead of storm or winter season, then use the reminder sticker to mark when the next service is due.\u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003ePractical Comparison\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVersus the Generac 6485 Kit.\u003c\/strong\u003e The 6485 is Generac's kit for 20 and 22 kW units made from 2013 on, and its fit list is much longer. The 5665 is the older kit for 20 kW units made before then.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersus Ordering Each Part Separately.\u003c\/strong\u003e A 999cc engine needs the right air filter, oil filter, and two plugs. This kit puts those together, plus the wrench and funnel.\u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003eIs the Generac 5665 Kit the Right Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Size.\u003c\/strong\u003e It is listed for the 20 kW unit with a 999cc engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAge of Unit.\u003c\/strong\u003e It is meant for older units made before 2013.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark Plugs.\u003c\/strong\u003e The kit has two spark plugs and a wrench.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil.\u003c\/strong\u003e Oil is not included. Buy it separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis May Be a Good Fit If\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour home standby generator is a 20 kW unit made before 2013\u003c\/li\u003e\n\u003cli\u003eYour engine is 999cc\u003c\/li\u003e\n\u003cli\u003eYou want two plugs and both filters in one kit\u003c\/li\u003e\n\u003cli\u003eYou need a plug wrench with the parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003ch4\u003eWill the Generac 5665 fit my 20kW generator?\u003c\/h4\u003e\u003cp\u003eIt is listed for the older 20 kW unit with a 999cc engine. Generac's 2010 sheet lists it by size, not by model number, so confirm the size and build year on your data label.\u003c\/p\u003e\n\u003ch4\u003eWhat if my 20kW unit was made in 2013 or later?\u003c\/h4\u003e\u003cp\u003eGenerac's newer sheets list the 6485 for 20 and 22 kW units from 2013 on. Use that kit instead.\u003c\/p\u003e\n\u003ch4\u003eDo I need to buy oil?\u003c\/h4\u003e\u003cp\u003eYes. Oil is not included. Generac lists SAE 30 above 32 F, 10W-30 between 40 F and -10 F, and synthetic 5W-30 for all temperature ranges.\u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Air Filter\u003c\/li\u003e\n\u003cli\u003e1 x Oil Filter\u003c\/li\u003e\n\u003cli\u003e2 x Spark Plugs\u003c\/li\u003e\n\u003cli\u003e1 x Spark Plug Wrench\u003c\/li\u003e\n\u003cli\u003e1 x Oil Funnel\u003c\/li\u003e\n\u003cli\u003e1 x Chamois\u003c\/li\u003e\n\u003cli\u003e1 x Reminder Sticker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch3\u003eKeep Your 20kW Generator Ready for Outages\u003c\/h3\u003e\n\u003cp\u003eThe Generac Scheduled Maintenance Kit for 20kW Air-Cooled Home Standby Generators covers the full routine service for an older 20 kW unit. If you are unsure which kit fits your generator, the Outbound Power team can help you choose.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ctable style=\"border-collapse: collapse; max-width: 100%; overflow-x: auto;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"background-color: rgb(242, 242, 242); text-align: left; width: 100%;\"\u003e\n\u003ch3\u003eGenerac Scheduled Maintenance Kit for 20kW Air-Cooled Home Standby Generators Specifications\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5665\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5665\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e696471056655\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScheduled maintenance kit for air-cooled home standby generators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits Unit Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e999cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnits made before 2013 (older-generation kit; 2013 and newer 20 and 22 kW units use Generac kit 6485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAVR Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpark Plugs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpark Plug Wrench\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Funnel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChamois\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReminder Sticker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot included, buy separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Recommendation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE 30 above 32 F; 10W-30 between 40 F and -10 F; synthetic 5W-30 for all temperature ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 200 hours or 2 years, whichever comes first; more often in a dusty or dirty environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContents Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContents of Generac maintenance kits may vary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch3\u003eGenerac 5665 Scheduled Maintenance Kit Spec Sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/generac-air-cooled-scheduled-maintenance-kits-spec-sheet-2010.pdf?v=1793847531\" title=\"Generac 5665 Scheduled Maintenance Kit Spec Sheet\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/generac-5665-scheduled-maintenance-kit-spec-sheet.jpg?v=1793847695\" alt=\"Generac 5665 Scheduled Maintenance Kit Spec Sheet\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n","brand":"Generac","offers":[{"title":"Default Title","offer_id":67602842124537,"sku":"5665","price":31.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/generac-scheduled-maintenance-kit-for-20kw-air-cooled-home-standby-generators-5665-kit-with-round-air-filter-oil-filter-two-spark-plugs-and-funnel-on-a-chamois.jpg?v=1793847531","url":"https:\/\/outboundpower.com\/products\/generac-scheduled-maintenance-kit-for-20kw-air-cooled-home-standby-generators-pre-2013-units","provider":"Outbound Power","version":"1.0","type":"link"}